In 1916, congress approved legislation for the creation of the national park service, a power expressly given in which clause?
a. establish post offices and post roads
b. the necessary and proper clause
c. regulate interstate commerce
d. govern the federal capital and federal areas

govern the federal capital and federal areas

Explanation:

The clause granted the Feds with the power to Prevent a 'derogation of values' from a certain area.

This is related to the creation of creation of the National Park Service (NPS) Because the BPS is established to  conserve the scenery and the natural and historic objects on all government owned land

This basically prevent individuals and corporations from exploitation the resources in NPS territory without the permission from the government.  (hence protecting them from the derogation of value).

its

tbh idk same thing here